Muscle Blood Flow and Oxygen Utilization Measured by Near-Infrared Spectroscopy during Handgrip Exercise in Chronic Respiratory Patients

• Sekikawa Kiyokazu

  Division of Physical Therapy and Occupational Therapy Sciences, Graduate School of Health Sciences, Hiroshima University

• Tabira Kazuyuki

  Department of Physical Therapy, Kiou University, School of Rehabilitation

• Sekikawa Noriko

  Department of Rehabilitation Medicine, Yoshijima Hospital

• Kawaguchi Kotarou

  Department of Physical Therapy, Hyogo University of Health Sciences

• Takahashi Makoto

  Division of Physical Therapy and Occupational Therapy Sciences, Graduate School of Health Sciences, Hiroshima University

• Kuraoka Toshihiko

  Department of Respiratory Medicine, Yoshijima Hospital

• Inamizu Tsutomu

  Division of Physical Therapy and Occupational Therapy Sciences, Graduate School of Health Sciences, Hiroshima University

• Onari Kiyoshi

  Faculty of Welfare and Health, Fukuyama Heisei University

Abstract

[Purpose] The purpose of this study was to evaluate tissue oxygen utilization and blood flow in patients with chronic respiratory failure (CRF). [Subjects] The subjects were divided into three groups: twelve subjects with chronic respiratory failure, twelve healthy older subjects, and thirteen healthy young subjects. [Method] A near infrared spectrometer was used to monitor tissue oxygenation, and the probe was placed over the flexor muscle. The subjects performed 3min rhythmic handgrip (HG) exercise at 10 and 30% of maximum voluntary contraction force in a random order. Forearm blood flow was estimated by the rate of increase in the sum of oxy-hemoglobin (OxyHb) and deoxy-hemoglobin (DeoxyHb) during venous occlusion, and muscle oxygen utilization by the rate of decrease in the difference between OxyHb and DeoxyHb during arterial occlusion. [Results] Forearm blood flow in the CRF group was significantly lower compared to the older group during 10% HG and the younger group in 30% HG. Muscle oxygen utilization in the CRF group was significantly higher than the older and young groups in 10% HG. [Conclusion]We conclude that the CRF patients desaturate their muscles more than normal control subjects at a lower work level due to insufficiency of blood flow to the exercising muscles.<br>

Journal

• Journal of Physical Therapy Science

  Journal of Physical Therapy Science 21 (3), 231-238, 2009

  The Society of Physical Therapy Science

Keywords

• Near-infrared spectroscopy
• Pulmonary disease
• Exercise

Details

• CRID: 1390282679305467520
• NII Article ID: 10025401801
• NII Book ID: AA10798949
• DOI: 10.1589/jpts.21.231
• ISSN: 21875626
• ISSN: 09155287
• Web Site: http://www.jstage.jst.go.jp/article/jpts/21/3/21_3_231/_pdf
• Web Site: https://search.jamas.or.jp/link/ui/2010111805
• Text Lang: en
• Data Source:
  • JaLC
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed